C/2019 L3 (ATLAS) (Record n° 25376)
NASA/JPL elements
IAU/MPC elements
On 2022 Mar 31 20h57 UT by Nicolas Biver
(Copyright Nicolas Biver)Coma Total magnitude (m1) 10.1 Aperture radius used for m1 2.0 ' Nuclear magnitude (m2) 13.2 Aperture radius used for m2 6 " Coma diameter 4.2 ' Coma condensation degree
(DC) 6 Afrho 14300 cm Afrho error 800 cm r (dist/Sun) 3.629 AU d (dist/Earth) 3.486 AU Instrumental configuration Config1 Instrument Dobson 407mm F/D 4.3 Instrument type Newton Instrument aperture (0=naked eye) 407 mm Instrument focale length 1750 mm Instrument focale/diameter 4.29 Filter(s) None Camera SONY alpha7S Sensor DC Sensor size 36*24 mm2 Sensor pixels number 4240*2832 Sensor temperature 3 °C Binning 2x2 Mount dobson sur table equatoriale JMI Motorization Yes Autoguide No Exposure total time 108 s Exposure details 41x2s+14x2.5s Sky transparency (naked eye max mag) 6 Seeing 2 Moon phase 180 ° Moon elongation 180 ° Air mass 2 Location Blieux (04) Reference stars catalog APASS Used softwares IRIS Resulting picture sampling (scale) 2 "/pix Image processing binning,flat,alignement,somme, retrait gradient Remarks or comments Afrho couche rouge Observation submission date 2022 Apr 21 23h35m09s